10291322 has 4 divisors (see below), whose sum is σ = 15436986. Its totient is φ = 5145660.

The previous prime is 10291297. The next prime is 10291357. The reversal of 10291322 is 22319201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8994001 + 1297321 = 2999^2 + 1139^2 .

It is a super-2 number, since 2×10291322² = 211822617015368, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 10291294 and 10291303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572829 + ... + 2572832.

Almost surely, 2^10291322 is an apocalyptic number.

10291322 is a deficient number, since it is larger than the sum of its proper divisors (5145664).

10291322 is an equidigital number, since it uses as much as digits as its factorization.

10291322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145663.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10291322 is about 3208.0090398875. The cubic root of 10291322 is about 217.5155896695.

The spelling of 10291322 in words is "ten million, two hundred ninety-one thousand, three hundred twenty-two".